IL71870A - Preparation of steroid carboxylic acid esters - Google Patents

Preparation of steroid carboxylic acid esters

Info

Publication number
IL71870A
IL71870A IL71870A IL7187084A IL71870A IL 71870 A IL71870 A IL 71870A IL 71870 A IL71870 A IL 71870A IL 7187084 A IL7187084 A IL 7187084A IL 71870 A IL71870 A IL 71870A
Authority
IL
Israel
Prior art keywords
preparation
carboxylic acid
acid esters
steroid carboxylic
steroid
Prior art date
Application number
IL71870A
Other versions
IL71870A0 (en
Original Assignee
Leo Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Leo Ab filed Critical Leo Ab
Publication of IL71870A0 publication Critical patent/IL71870A0/en
Publication of IL71870A publication Critical patent/IL71870A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J9/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
    • C07J1/0003—Androstane derivatives
    • C07J1/0011—Androstane derivatives substituted in position 17 by a keto group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
    • C07J1/0051—Estrane derivatives
    • C07J1/0059—Estrane derivatives substituted in position 17 by a keto group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
    • C07J1/0051—Estrane derivatives
    • C07J1/0066—Estrane derivatives substituted in position 17 beta not substituted in position 17 alfa
    • C07J1/007—Estrane derivatives substituted in position 17 beta not substituted in position 17 alfa the substituent being an OH group free esterified or etherified
    • C07J1/0074—Esters
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
    • C07J41/0033—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005
    • C07J41/005—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005 the 17-beta position being substituted by an uninterrupted chain of only two carbon atoms, e.g. pregnane derivatives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
    • C07J5/0046—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond substituted in position 17 alfa
    • C07J5/0053—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond substituted in position 17 alfa not substituted in position 16

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Amplifiers (AREA)

Abstract

This invention relates to an improved steroid ester synthesis in which carbodiimides and catalytic amounts of 4-(tertiary amino)-pyridines, in combination with acid catalysts, are used as condensing agents, resulting in pure, non discoloured compounds in high yields.
IL71870A 1983-05-30 1984-05-18 Preparation of steroid carboxylic acid esters IL71870A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8303031A SE8303031D0 (en) 1983-05-30 1983-05-30 IMPROVED STEROID ESTERS PREPARATION

Publications (2)

Publication Number Publication Date
IL71870A0 IL71870A0 (en) 1984-09-30
IL71870A true IL71870A (en) 1986-10-31

Family

ID=20351375

Family Applications (1)

Application Number Title Priority Date Filing Date
IL71870A IL71870A (en) 1983-05-30 1984-05-18 Preparation of steroid carboxylic acid esters

Country Status (18)

Country Link
US (1) US4537722A (en)
EP (1) EP0127829B1 (en)
JP (1) JPS6041696A (en)
AT (1) ATE32603T1 (en)
AU (1) AU560235B2 (en)
CA (1) CA1211430A (en)
DE (1) DE3469440D1 (en)
DK (1) DK162100C (en)
ES (1) ES8503008A1 (en)
FI (1) FI80710C (en)
GR (1) GR82048B (en)
HU (1) HU198217B (en)
IE (1) IE57425B1 (en)
IL (1) IL71870A (en)
NZ (1) NZ208174A (en)
PT (1) PT78661B (en)
SE (1) SE8303031D0 (en)
ZA (1) ZA843946B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5776923A (en) * 1993-01-19 1998-07-07 Endorecherche, Inc. Method of treating or preventing osteoporosis by adminstering dehydropiandrosterone
DE69433994T2 (en) * 1993-01-19 2005-09-22 Endorecherche Inc., Ste-Foy THERAPEUTIC USES AND ADMINISTRATION SYSTEMS OF DEHYDROEPIANDROSTERONE
DE4433374A1 (en) * 1994-09-20 1996-03-21 Hoechst Ag 17-deoxi-corticosteroid-21- / O / -carboxylic acid ester, process for their preparation and medicaments containing them
US5892068A (en) * 1998-08-25 1999-04-06 Mcneil-Ppc, Inc. Preparation of sterol and stanol-esters
US6087522A (en) * 1999-10-12 2000-07-11 Fan Tech Corporation Silicone lanolin esters
US8183401B2 (en) * 2004-01-16 2012-05-22 Cedarburg Pharmaceuticals, Inc. Exemestane and its intermediates and methods of making the same
ES2459920T3 (en) * 2008-11-10 2014-05-12 Bridgestone Corporation Modified natural rubber and method for the production of modified natural rubber and rubber and pneumatic composition using this

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1050883A (en) *
DE1958954C3 (en) * 1969-11-24 1978-11-30 Schering Ag, 1000 Berlin Und 4619 Bergkamen Process for the esterification of alcohols
US3678082A (en) * 1970-07-30 1972-07-18 Searle & Co Esterification of 17-hydroxy steroids
GB1558472A (en) * 1976-01-22 1980-01-03 Leo Ab 17-esters of 17- hydroxy gestogens
GB1565680A (en) * 1976-12-31 1980-04-23 Leo Ab Method for the preparation of carboxylic acid esters

Also Published As

Publication number Publication date
US4537722A (en) 1985-08-27
DE3469440D1 (en) 1988-03-31
IE57425B1 (en) 1992-09-09
FI842164A (en) 1984-12-01
AU560235B2 (en) 1987-04-02
PT78661A (en) 1984-06-01
ATE32603T1 (en) 1988-03-15
IL71870A0 (en) 1984-09-30
DK162100B (en) 1991-09-16
FI842164A0 (en) 1984-05-30
ES532905A0 (en) 1985-02-01
DK265484A (en) 1984-12-01
FI80710C (en) 1990-07-10
DK265484D0 (en) 1984-05-29
ES8503008A1 (en) 1985-02-01
AU2883284A (en) 1984-12-06
FI80710B (en) 1990-03-30
SE8303031D0 (en) 1983-05-30
HUT34222A (en) 1985-02-28
DK162100C (en) 1992-02-24
GR82048B (en) 1984-12-12
IE841192L (en) 1984-11-30
JPH0369360B2 (en) 1991-10-31
EP0127829B1 (en) 1988-02-24
HU198217B (en) 1989-08-28
NZ208174A (en) 1987-04-30
PT78661B (en) 1986-06-26
EP0127829A3 (en) 1985-08-07
ZA843946B (en) 1984-12-24
JPS6041696A (en) 1985-03-05
CA1211430A (en) 1986-09-16
EP0127829A2 (en) 1984-12-12

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Legal Events

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